mineral
Selenite
Gypsum (CaSO4·2H2O)
AI-generated identification · may be incorrectHardness of 2 on the Mohs scale, transparent to translucent white color with a pearly or silky luster, monoclinic crystal system, and perfect cleavage in one direction.
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Physical properties
Hardness of 2 on the Mohs scale, transparent to translucent white color with a pearly or silky luster, monoclinic crystal system, and perfect cleavage in one direction.
Formation & geological history
Formed through the evaporation of ancient saline bodies of water, primarily in sedimentary environments.
Uses & applications
Widely used in decorative carvings, holistic crystal healing, and as a raw material in plaster of Paris and drywall manufacturing.
Geological facts
Selenite is named after the Greek goddess of the moon, Selene, due to its characteristic moon-like glow. It is exceptionally soft and can be easily scratched with a fingernail.
Field identification & locations
Easily identified by its extreme softness and fibrous texture; common global localities include Mexico, Morocco, and the United States.
